<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
</head>
<body>
    我是首页
<hr/>
    <a href="/add">用户添加</a>
    <a href="/update">用户修改</a>
</body>
</html>